.panel-default {
    margin-top: 10px;
}

.panel-default .panel-heading {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.panel-body {
    padding: 0;
}

.title-list {
    border-right: 1px solid #dddddd;
    min-height: 500px;
}

.title-list ul {
    padding-left: 15px;
}

.title-list ul a {
    display: block;
    padding: 5px 0;
}

.content {
    border-left: 1px solid #dddddd;
    min-height: 600px;
    margin-left: -1px;
}